import java.util.Scanner;

/**
 * @author oldliu
 * @since 1.0
 */
public class AB {
    public static void main(String[] args) {
        Scanner in=new Scanner(System.in);
        System.out.println("input a and b:");
        int a=in.nextInt();
        int b=in.nextInt();
        //都是大于20
        boolean max=a>20 && b>20;
        System.out.println("a和b都是大于20的？"+max);
    }
}
